CN2098791U - Axial flow thresher - Google Patents
Axial flow thresher Download PDFInfo
- Publication number
- CN2098791U CN2098791U CN 91217518 CN91217518U CN2098791U CN 2098791 U CN2098791 U CN 2098791U CN 91217518 CN91217518 CN 91217518 CN 91217518 U CN91217518 U CN 91217518U CN 2098791 U CN2098791 U CN 2098791U
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- China
- Prior art keywords
- grass
- centrifugation blade
- concave grate
- axial
- flow thresher
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Abstract
The utility model relates to an improved axial flow thresher which is in particular suitable for the threshing of the paddy rice and wheat, and can used by the matching with the combine harvester. The main structure of the utility model is composed of a grass outlet, a grass discharging fan, a main cylinder, a shell body, a concave plate sieve, an annular partition plate, a blade screw with holes, an eccentric wheel, a vibrating groove, a grass pulling stick, a centrifugal fan blade 1, a centrifugal fan blade ii, etc. The improved axial flow thresher has a simple structure, further enhances the effects of the threshing and separating of the axial flow thresher, increases the cleanliness of the seeds, and in particular enhances the operational reliability and the performance stability of the implement.
Description
The utility model is a kind of improved axial-flow thresher, be specially adapted to rice-wheat threshing, separate, clean, and can with the supporting use of combine.
Our unit's application Chinese patent utility model axial-flow thresher, the patent No.: 892112751; A kind of improved vertical axial-flow thresher, number of patent application: 90214482.Find to be necessary to be further improved through using.This machine original structure is equipped with the grain-scraping plate reducing gear and draws together the grain plate in main bottom of rolling, and in the grain-scraping plate bottom base plate is housed, and has the mouth of putting out cereal on the base plate, and mouthful back of putting out cereal is drawn together by mouthful discharge of putting out cereal through grain-scraping plate in the top that the seed that is flown out by concave grate is fallen base plate.The major defect of this structure is that the grain-scraping plate reducing gear is complicated, and reliability is relatively poor, brings certain trouble to use; Mouthful easy generation of putting out cereal when taking off moist crop in addition stopped up.
The utility model, purpose are that the weak point at above-mentioned thresher is further improved, and a kind of improved axial-flow thresher is provided, and improve that the back prototype structure is simple, good reliability, threshing stable performance.
A kind of improved vertical axial-flow thresher takes following scheme to realize:
A kind of axial-flow thresher described in the utility model is made up of parts such as grass outlet, grass-removing fan, master rotor, ejecting port, concave grate, annular baffle, housing, hole spiral, patterns under short, thrust bearing, eccentric wheel, vibra shoot, centrifugation blade I, centrifugation blade II, grass moving bars, and its technical characterictic is: on the bottom of grass-removing fan, the top of patterns under short the centrifugation blade I that joins together with the master rotor rigidity is housed; Several piece centrifugation blade II is housed above the thrust bearing of the bottom of concave grate, and the centrifugation blade II is fixed on the drum shaft, or rigidly connected with the bottom of cylinder; In the annulus between concave grate and housing grass moving bar is housed.
When operation start, crop enters from feeding mouth, the cooperation of helix drum and concave grate with under, seed, grain husk are mixed and are separated with millet straw, most of cane is delivered to behind the cylinder top by the grass-removing fan grass outlet of dishing out by hole spiral; Directly entered vibratory sieve by the isolated seed of concave grate under the effect of gravity and screen, the big cane of the part on the compass screen surface is along vibrating screen surface (feeding platform direction) discharge backward, and seed is discharged outside the machine forward after falling into vibra shoot; Because the jet action that the high velocity air of grass outlet produces at the ejecting port place attracts, discharge the assorted back that is attracted of the outer grain husk of concave grate outside ejecting port discharge machine; In addition, the part grain husk that is not separated concave grate between helical blade and the concave grate assorted with the air-flow effect of broken cane in the air channel, center under, move upward the back by outside the grass-removing fan discharge machine along with the attraction of this strand air-flow.
Below in conjunction with accompanying drawing, the utility model is described in detail.
Accompanying drawing is a kind of structural representation of improved axial-flow thresher.
With reference to accompanying drawing, described a kind of improved axial-flow thresher is made up of following parts: grass outlet (1); grass-removing fan (2); master rotor (3); drum shaft (4); housing (5); ejecting port (6); concave grate (7); annular baffle (8); hole spiral (9); patterns under short (10); feeding mouth (11); grass moving bar (12); eccentric wheel (13); fork (14); belt pulley (15); frame (16); vibra shoot (17); thrust bearing (18); centrifugation blade II (19); centrifugation blade I (20); vibratory sieve (21); belt (22); zero → grain; X → cane; → clever chaff; ω: direction of rotation.
With reference to accompanying drawing, master rotor (3) passes through the bearing fixing of upper end on housing (5), and lower end thrust bearing (18) is fixed on the frame (16); Power drives master rotor (3) rotation by belt pulley (15) input; Grass-removing fan (2), hole spiral (9), patterns under short (10) fuse with master rotor (3) rigidity; On the bottom of grass-removing fan (2), the top of patterns under short (10) the centrifugal fan blade I (20) that fuses with master rotor (3) rigidity is housed; Several piece centrifugation blade II (19) is equipped with in top at the bottom thrust bearing (18) of concave grate (7); In the annulus between concave grate (7) and housing (5) grass moving bar (12) is housed; Concave grate (7) places the periphery of cylinder (3), and is rigidly connected in the inside of housing (5) and with housing (5); Annular baffle (8) is on the last plane of concave grate (7); On the lower plane of the below of grass-removing fan (2), grass outlet (1), be provided with ejecting port (6), ejecting port (6) is gone up and is communicated with grass outlet (1), down with concave grate (7) and housing (5) between annulus (below: title " annulus ") communicate, the bottom of shell (5) is provided with feeding mouth (11).Annulus directly communicates with the upper space of vibratory sieve (21).The axle of eccentric wheel (13) is rigidly secured on the frame (16), its power drives the big belt pulley supply rigidly connected with eccentric wheel (13) by the small pulley on the main shaft (4) by belt (22), and eccentric wheel (13) drives fork (14) and makes reciprocally swinging.Vibratory sieve (21) and vibra shoot (17) rigidity fuse, and are lifted on the frame (16) by front and back fork (14), and each tie point adopts the hinge joint mode to link to each other.Grass moving bar (12) is fixed on the vibra shoot (17), or is fixed on the tilting member that links to each other with vibra shoot (17).
Below contrast accompanying drawing, the operation principle of improving parts is done further narration.
Centrifugation blade I (20) fuses with master rotor (3) rigidity, and adopts sheet metal to make.Therefore during master rotor (3) high speed rotating, it is rotation thereupon also, and produces high velocity air and throw to concave grate (7).When being taken off crop moves upward to centrifugation blade I (20) under the effect of hole spiral (9) position, be subjected to the effect of above-mentioned high velocity air immediately and thrown to concave grate (7), thereby increased the separation seed of cylinder (3) and the effect of clever chaff.In the periphery of concave grate (7),, improved the circulation situation of this place " annulus " in addition because the assorted unlikely accumulation of the effect of above-mentioned high velocity air grain husk is in heaps.The outer rim border of centrifugation blade I (20) to the distance of cylinder axis less than master rotor (3) the radius (distance in the accompanying drawing between the double dot dash line is the diameter of cylinder) at this place and centrifugation blade I (20) be shaped as the sheet plate, otherwise will cause the not smooth consequence of master rotor (3) Lysimachia sikokiana.
Centrifugation blade II (19) is fixed on that drum shaft (4) is gone up or is rigidly connected with the bottom of master rotor (3), the outer rim border of centrifugation blade II (19) to the distance of cylinder axis line greater than drum shaft (4) at the radius at this place and less than the radius of concave grate.Therefore; when master rotor (3) high speed rotating; centrifugation blade II (19) produces swirling eddy and looses to the inner boundary of housing (5); the attraction air-flow that swirling eddy in this air-flow cooperation " annulus " and ejecting port (6) are located is cleaned with the seed mixture the grain husk in the annulus is assorted; forcing grain husk to be mixed moves upward; discharge grass outlet (1) from ejecting port (6), can improve like this and clean effect.
Grass moving bar in " annulus " (12) is made reciprocally swinging together in company with vibra shoot (17), like this because some accidental occur big careless excellent horizontal can in time obtain cleaning at " annulus ".Therefore, can avoid indivedual big careless rods to stop causing foreign material cumulative, cause " annulus " phenomenon of blocking.
Owing to cancelled grain-scraping plate and base plate, make that the air-flow in the annulus between concave grate and casing changes, use the centrifugation blade II that the ascending air of annulus is speeded up, clean effect thereby improve.Owing on the upper cylinder of the bottom of grass-removing fan, patterns under short, be fixed with the centrifugation blade I, make under the effect of this fan blade the assorted and seed of the grain husk that between this place's helical blade and concave grate, passes through rapidly row outside concave grate, improve separating effect, reduced the grain entrainment rate of deviating from the millet straw.Owing to be furnished with grass moving bar in " annulus ", therefore taking off moist crop and the overdrying crop can be eradicated in the obstruction that " annulus " produced, thereby improving the stability of facility service behaviours.
Claims (5)
1, a kind of improved axial-flow thresher is made up of grass outlet (1), grass-removing fan (2), master rotor (3), drum shaft (4), housing (5), ejecting port (6), concave grate (7), annular baffle (8), hole spiral (9), patterns under short (10), grass moving bar (12), eccentric wheel (13), vibra shoot (17), thrust bearing (18), centrifugation blade II (19), centrifugation blade I parts such as (20), it is characterized in that: the centrifugation blade I (20) that fuses with master rotor (3) rigidity is equipped with in the bottom in grass-removing fan (2), the top of patterns under short (10); Bottom in concave grate (7), several piece centrifugation blade II (19) is equipped with in the top of thrust bearing (18); In the annulus between concave grate (7) and housing (5) grass moving bar (12) is housed.
2, axial-flow thresher according to claim 1 is characterized in that: the outer rim border of centrifugation blade I (20) to the distance of cylinder axis less than the radius of master rotor (3) at this place, centrifugation blade I (20) be shaped as the sheet plate.
3, axial-flow thresher according to claim 1 is characterized in that: centrifugation blade II (19) is fixed on the drum shaft (4), or rigidly connected with the bottom of cylinder (3).
4, axial-flow thresher according to claim 1 is characterized in that: grass moving bar (12) is fixed on the vibra shoot (17), or is fixed on the tilting member that links to each other with vibra shoot (17).
5, according to the outer rim border of claim 1, its centrifugation blade II (19) of 3 described axial-flow threshers to the distance of cylinder axis line greater than drum shaft (4) at the radius at this place and less than the radius of concave grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91217518 CN2098791U (en) | 1991-07-21 | 1991-07-21 | Axial flow thresher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91217518 CN2098791U (en) | 1991-07-21 | 1991-07-21 | Axial flow thresher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2098791U true CN2098791U (en) | 1992-03-18 |
Family
ID=4925180
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91217518 Pending CN2098791U (en) | 1991-07-21 | 1991-07-21 | Axial flow thresher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2098791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947386A (en) * | 2014-05-09 | 2014-07-30 | 黑河市方圆农机技术开发有限责任公司 | Bottom-feeding vertical type axial flow threshing device |
-
1991
- 1991-07-21 CN CN 91217518 patent/CN2098791U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103947386A (en) * | 2014-05-09 | 2014-07-30 | 黑河市方圆农机技术开发有限责任公司 | Bottom-feeding vertical type axial flow threshing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |